Objective Lens, 131mm Large Optical Dual Separation Doublet Lens Focal Length 1200 700mm DIY Refractor Telescope Objective Achromatic Lentes,for Doublet Convex Lens(700mm Green Film)

★★★★★ 4.7 138 reviews

$312.17
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$312.17
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Free shipping Free 30-day returns

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Product details

Management number 219364937 Release Date 2026/05/03 List Price $124.87 Model Number 219364937
Category

=========High-concerned chemical : NoneDiameter : 131mm

  • Made optical glass with precision polishing, ensuring stable performance and long service life.
  • 131mm large dual-separation doublet objective lens, available in 1200mm & 700mm focal lengths for DIY refractor telescopes.
  • Advanced dual-separation structure effectively corrects chromatic and spherical aberration for high-contrast celestial imaging.
  • Large 131mm aperture provides strong light-gathering ability.
  • Made optical glass with precision polishing, ensuring high transmittance and stable performance.
  • Standardized design for easy assembly, perfect for homemade high-performance refracting telescopes.
Item Weight 1.76 ounces
Manufacturer Generic
Item model number OBFBVDEMD-C99D5EBD
Product Dimensions 3.94 x 3.94 x 3.94 inches
Manufacturer recommended age 1 - 1 months

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4.7 out of 5
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138 ratings | 57 reviews
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